Signalling unit for the detection of motion



FIG. 1 is a front elevational view of signalling unit for the detection of motion showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view of a main body thereof;

FIG. 8 is a rear elevational view of a cover thereof;

FIG. 9 is a cross sectional view taken along line 9--9 of FIG. 7; and,

FIG. 10 is a cross sectional view taken along line 10--10 of FIG. 8. 

The ornamental design for a signalling unit for the detection of motion, as shown and described. 